Amazon.com: 2017 Apple iMac with Retina 5K Display (27-inch, 8GB RAM, 512GB SSD Storage) (Renewed) : Electronics
A-Tech 8GB RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Module at Amazon.com
Amazon.com: Apple 2017 iMac with 2.3GHz Intel Core i5 (21.5-inch, 16GB RAM, 1TB HDD Storage) - Silver (Renewed) : Electronics
Amazon.com: Satechi Aluminum Type-C Clamp Hub Pro with USB-C Data Port, USB-A 3.0 Data, Micro/SD Card Reader - Compatible with 2020/2019/2017 iMac & iMac Pro, Does Not Fit 2021 iMac (Silver) :